云峰大坝49#中孔坝段左闸墩裂缝分析与处理

Analysis and Processing of cracks in left pier of 49# segment of Yunfeng dam

云峰大坝运行40多年,坝体混凝土老化现象严重,经现场检查,发现49#中孔坝段左闸墩出现明显裂缝,裂缝最大宽度达到15mm,对大坝的安全运行和下游人民生命财产造成巨大威胁。经过分析裂缝成因,采取针对性的加固设计,通过有效的施工处理,最终达到了预期效果,保障了大坝的安全稳定运行。

Yunfeng dam operation 40 years,serious aging concrete dam,the on-site inspection and found 49 # of holes left Pier significant dam cracks ,crack reaches a maximum width of 15mm ,the safe operation of the dam and downstream of the people poses a great threat to life and property.After analyzing the causes of cracks,take appropriate reinforcement design,through effective construction process,and ultimately achieve the desired effect,to protect the safety of the dam and stable operation.